baber/WOPTO huggingface dataset:
Patent JP-2021151707-A (JP)
Title: Liquid jet head and liquid jet device
Inventor: EMI YOHEI
IPC: B41J2/14
Filed: 2020-03-24
Abstract: To provide a technique that can suppress growth of air bubble accumulating in an ink chamber due to infiltration of air into the ink chamber from the outside through a sealing film.SOLUTION: A liquid jet head comprises: a nozzle surface in which a plurality of nozzles for jetting liquid are formed; a flow passage member that defines a portion of a common liquid chamber communicating with the plurality of nozzles, which has a side wall in which a first opening part communicating with the common liquid chamber is formed; and a first flexible film sealing the first opening part and having flexibility. The first flexible film has a displaceable first compliance region, and the first compliance region is provided below a position separated upward by a distance equal to three fourth of the maximum width of the common liquid chamber in a first direction perpendicular to the nozzle surface from the lowest position of the common liquid chamber.SELECTED DRAWING: Figure 3
Patent JP-2021152355-A (JP)
Title: Geothermal power generation system
Inventor: ISHIDA TETSUYOSHI
IPC: F03G4/00
Filed: 2020-03-24
Abstract: To recover an output of a geothermal power generation system in which hot water is depleted, without receiving energy supply from the exterior.SOLUTION: Hot water pumped out from the underground is compressed by a booster pump, and is heated by a second-class absorption heat pump to increase the temperature, and steam with increased temeperature and pressure is supplied to a steam turbine. Since the temeperature and pressure of the steam in the steam turbine are increased, and the heat efficiency of the steam turbine is thus improved, a power generation amount of a generator in connection with the steam turbine can be recovered with less amount of hot water.SELECTED DRAWING: Figure 3
Patent JP-2021152400-A (JP)
Title: Magnetic viscous fluid device
Inventor: AKAIWA SHUICHI
IPC: F16D37/02
Filed: 2020-03-25
Abstract: To miniaturize a device while employing a both-end support structure for a shaft even when providing a volume following operation part for expanding and shrinking a capacity of a space in which a magnetic viscous fluid is sealed.SOLUTION: There are provided a first part A including a shaft 1, a second part B provided while being rotatable relative to the first part A, a magnetic viscous fluid 6 sealed in a device body having the first part A and the second part B and interposed between the first part A and the second part B, and a volume following operation part which is provided on an axis line N the same as the shaft 1, and operates to expand and shrink the capacity of a space 60 in which the magnetic viscous fluid 6 is sealed while following the expansion/shrinkage of the volume of the magnetic viscous fluid 6. The volume following operation part is fit into a shaft hole 35 formed in a member 3A belonging to the second part B while being movable in the axis line N direction and is a movable bearing 15 formed with a shaft supporting part 15a which rotatably supports the shaft 1.SELECTED DRAWING: Figure 1
Patent JP-2021158476-A (JP)
Title: Head-mounted display device
Inventor: KAMAKURA KAZUYA
IPC: G02B27/02
Filed: 2020-03-26
Abstract: To provide a head-mounted display device capable of enhancing mountability even in the case of using glasses.SOLUTION: A right temple member 20 and a left temple member 21 are provided to an inner side face of a right case member 12 and a left case member 13, housing at least one part of a display part 10 so as to be close to the display part. A right support member 30 and a left support member 37 are provided to the right temple member 20 and the left temple member 21. Thus, by providing the right support member 30 and the left support member 37, an open degree of the right temple member 20 and the left temple member 21 and a reaction force to an inner side can be adjusted.SELECTED DRAWING: Figure 2
Patent JP-2021156215-A (JP)
Title: Heat shielding plate structure of exhaust sensor
Inventor: YAMAZAKI MAKOTO
IPC: F02D35/00
Filed: 2020-03-27
Abstract: To provide a heat shielding plate structure of an exhaust sensor capable of cooling the exhaust sensor in vehicle traveling while suppressing influence of radiant heat with respect to the exhaust sensor in vehicle stop.SOLUTION: A heat shielding structure of an exhaust sensor 1 is configured such that a heat shield plate 2 for blocking heat from an exhaust system is provided at an attachment part 13 of the exhaust sensor 1 to an exhaust pipe 3 of a vehicle. The heat shielding plate 2 has a wall part 22 that surrounds the exhaust sensor 1 in a circumferential direction. The height of the wall part 22 has a configuration in which an upstream side in a flow direction of traveling wind that hits the exhaust sensor 1 when the vehicle is traveling is lower than a downstream side.SELECTED DRAWING: Figure 1
Patent JP-2021156516-A (JP)
Title: Method for manufacturing decorative grille
Inventor: OZAKI YUDAI
IPC: F24F7/10
Filed: 2020-03-27
Abstract: To provide a method for manufacturing a decorative grille, capable of manufacturing a thin and flat decorative grille.SOLUTION: A method for manufacturing a decorative grille is for manufacturing a resin-made and panel-like decorative grille 12 which comprises a flat design surface 12a and an opposite design surface 12b as a rear side surface of the design surface 12a, and is mounted on a fan casing by opposing the opposite design surface 12b to the fan casing of a blower device. There are provided a design surface molding part 51 for molding the design surface 12a, and an opposite design surface molding part 52 for molding the opposite design surface 12b. The method includes steps of: a filling step of filling resin into a metal mold 50 bent so that the design surface molding part 51 and the opposite design surface molding part 52 project to a design surface molding part 51 side; and a solidification step of solidifying a resin filling material 60 in the metal mold 50 by cooling. A projecting shape of bending of the metal mold 50 is a shape canceling warping generated by shrinkage of the resin filling material 60 in the solidification step.SELECTED DRAWING: Figure 5
Patent JP-2021158900-A (JP)
Title: Power conversion device
Inventor: WAKABAYASHI KOJI
IPC: H02M3/28
Filed: 2020-03-30
Abstract: To provide a highly versatile power conversion device.SOLUTION: A power conversion device 1 includes a primary side substrate 31 and a secondary side substrate 32. The primary side substrate 31 includes: a primary side coil forming part 311, on which a primary side coil 3111 having a conductor pattern is formed; and a primary side mount part 312 on which a primary side electronic component 3121 is mounted. The secondary side substrate 32 includes: a secondary side coil forming part 321, on which a secondary side coil 3211 having a conductor pattern is formed; and a secondary side mount part 322 on which secondary side electronic components 3221, 3222 are formed. The primary side substrate 31 and the secondary side substrate 32 are juxtaposed in a substrate thickness direction so that the primary side coil forming part 311 faces the secondary side coil forming part 321 in the substrate thickness direction.SELECTED DRAWING: Figure 1
Patent JP-2021162196-A (JP)
Title: Piping concealment member for ventilator, and ventilator system
Inventor: AOYAMA RUITO
IPC: F24F13/02
Filed: 2020-03-31
Abstract: To obtain a piping concealment member for ventilator capable of facilitating arrangement of parts in a replacement construction from a propeller ventilator to a centrifugal blower type ventilator.SOLUTION: A piping concealment member 19 for a ventilator conceals a piping part provided by connecting an opening formed on the outer wall of a building and the top surface of a ventilator attached to the inside of the building. The piping concealment member 19 for a ventilator comprises: a first piping concealment member that has a vertically symmetrical shape, and conceals the entire piping part located above the top surface of the ventilator; and a second piping concealment member that has a laterally symmetrical shape, and conceals the entire piping part located below the first piping concealment member.SELECTED DRAWING: Figure 8
Patent JP-2021162243-A (JP)
Title: Operation device
Inventor: ECHIE TOMOHIRO
IPC: H04Q9/00
Filed: 2020-03-31
Abstract: To provide an operation device capable of reducing user operability degradation while keeping power saving performance.SOLUTION: An operation device operates in a normal mode (step S1) if an operation for an input operation part is performed, and moves to a power saving mode having lower power consumption than the normal mode if an operation for the input operation part is not performed for a certain period of time (steps S3, S5). A setting screen at the time of transition to the power saving mode is kept as display information to display on a display part for a hold time variably set according to an operation for the input operation part, and if the time from the last operation to the input operation part to the next operation for the input operation part is less than the hold time, the setting screen at the time of transition to the power saving mode is displayed on the display part (steps S6 to S9), and if the time from the last operation to the input operation part to the next operation for the input operation part is the hold time or more, an initial screen is displayed on the display part (steps S6 to S8).SELECTED DRAWING: Figure 4
Patent JP-2021163375-A (JP)
Title: Autonomous traveling vehicle and operation management device for autonomous traveling vehicle
Inventor: HIGASHIDE TAKAFUMI
IPC: G08G1/127
Filed: 2020-04-02
Abstract: To provide an autonomous traveling vehicle and an operation management device for an autonomous traveling vehicle capable of securing safety when a succeeding vehicle of a delay vehicle overtakes the delay vehicle when the delay vehicle is generated.SOLUTION: An autonomous traveling vehicle executes regular operation control based on an operation schedule provided from an operation management device. The automatic running vehicle includes an autonomous traveling control unit which executes retreat control to move to a retreat position on a predetermined route and stop there upon receipt of a retreat instruction S26 from the operation management device or an immediately following overtaking vehicle.SELECTED DRAWING: Figure 7
Patent JP-2021159654-A (JP)
Title: Game machine
Inventor: ICHIHARA TAKAAKI
IPC: A63F7/02
Filed: 2020-04-03
Abstract: To provide a game machine that can be easily operated in a game parlor.SOLUTION: A game machine includes: lottery means for holding a lottery regarding whether profit is granted to a player on the basis of satisfaction of a predetermined condition; storage means for storing each kind of information; and counting means for counting the number of times when a lottery for preventing profit from being granted by the lottery means is held. In the game machine, the counting means stores a counted value in the storage means, and can be shifted to a specific game state advantageous to a player on the basis of the counted value, and power of the game machine is turned on while accompanying first operation or is turned on while accompanying second operation.SELECTED DRAWING: Figure 1
Patent JP-2021145661-A (JP)
Title: Method of breeding under high gravity for high function chicken
Inventor: HASEGAWA KATSUYA
IPC: A01K45/00
Filed: 2020-03-19
Abstract: To provide a breeding method for generating a high function and a high added value of chicken.SOLUTION: A hanging arm 3 which rotates while being connected with a rotation driving device 4 is placed on a device foundation 5. A birdcage 1 for breeding having a feeding and watering device disposed therein is hung on the hanging arm 3 and rotated. The birdcage tilts like the birdcage 1 with a centrifugal force 7 generated by the rotation and is stabilized at a point where a resultant force 8 of centrifugal force 7 and the gravity 6 is balanced. A chicken is bred in the state of being pressed onto a floor surface with stronger force than the normal gravity with the resultant force 8 of the centrifugal force 7 and the gravity 6 in the birdcage 1 and thereby bred under a high gravity condition, which realizes a higher function of the chicken.SELECTED DRAWING: Figure 2
Patent JP-2021166568-A (JP)
Title: Sterilizing storage
Inventor: SUZUKI YUYA
IPC: A61L2/06
Filed: 2020-04-08
Abstract: To operate a plurality of heating cooling units in a sterilizing storage in a proper control state.SOLUTION: A sterilizing storage includes inside heaters 18, freezers 60, blower fans 28 for circulating heated air heated by the heaters 18 and cooled air cooled by the freezers 60 in storage chambers 14, control devices 100 for controlling the heater, the blower fans 28 and the freezers 60, and first and second heating cooling units U1 and U2 each having setting operation parts 58A and 58B capable of setting the control condition by the control devices 100. The control devices 100 in the first and second heating cooling units U1 and U2 are configured in communication with each other. When any one of the setting operation parts 58A and 58B of the heating cooling units U1 and U2 is operated and a control condition is set, the control device 100 of the other of the heating cooling units U1 and U2 controls the corresponding heater 18, the blower fan 28 and the freezer 60 on the basis of the control condition set by the operation of the setting operation parts 58A and 58B.SELECTED DRAWING: Figure 4
Patent JP-2021173532-A (JP)
Title: Damaged part detector for buried pipes
Inventor: KOJIMA TAKASHI
IPC: G01V1/00
Filed: 2020-04-18
Abstract: To provide a damaged part detector for a buried pipe, for detecting a damaged part of a buried pipe such as that in the underground.SOLUTION: In a damaged part detector for a buried pipe, a main body 2 includes: a screen reversal function that reverses the orientation of a screen displayed on a display screen 3; a function to invert the switch function of an operation switch 8 according to the orientation of the display screen 3; and a function to memorize setting contents. The display screen 3 is composed of a startup screen displayed only at startup, and a normal screen that displays: a setting item display for displaying setting items; a setting contents display for displaying setting contents of the setting items; and the settings contents being set and a volume level of leaked sound captured by a pickup sensor. A confirm/ESC key 4 switches between the normal screen, the setting item display, and the setting content display on the display screen 3 and confirms the setting item in the setting item display and the setting content in the setting content display.SELECTED DRAWING: Figure 3
Patent JP-2023082228-A (JP)
Title: Synchronous motor and motor assembly
Inventor: OKAMOTO TETSUO
IPC: H02K16/00
Filed: 2020-04-24
Abstract: To provide a synchronous motor in which energy required for exciting an excitation element is reduced.SOLUTION: A synchronous motor includes a rotor, a stator, a first magnetic field, a second magnetic field, and an excitation element. The first field includes a plurality of permanent magnets wrapped around the axis of rotation. The second field includes a plurality of permanent magnets wrapped around the axis of rotation and the rotor. The excitation element is disposed in a space between the permanent magnets in the second field to generate a varying magnetic field that rotates the rotor. Each of the permanent magnets of the first magnetic field generates a magnetic field having magnetic lines of force in a direction perpendicular to the radial direction viewed from the rotation axis. Each of the permanent magnet of the second field generates a magnetic field having magnetic lines of force in a direction coinciding with the radial direction seen from the rotation axis. The excitation element includes an excitation coil that generates a varying magnetic field, and a soft magnetic material that is adjacent to the excitation coil and is magnetized in the same direction as the magnetic lines of force of the magnetic field applied from the outside.SELECTED DRAWING: Figure 4
Patent JP-2021173220-A (JP)
Title: Oil mist separator of internal combustion engine
Inventor: HORI TATSUYA
IPC: F01M13/00
Filed: 2020-04-24
Abstract: To provide an oil mist separator of an internal combustion engine which can inhibit back flow of an oil through a discharge hole with a simple structure.SOLUTION: An oil mist separator of an internal combustion engine includes: a resin cylinder head cover 10; a resin baffle plate 20 fixed to an inner surface 10a of the cylinder head cover 10 and forming an oil separation chamber 40 with the cylinder head cover 10; and a resin cam shower plate 30 fixed to a surface, which is opposite to the cylinder head cover 10, of the baffle plate 20 and forming an oil passage 31 for supplying an oil to a cam shaft of the internal combustion engine. The baffle plate 20 is provided with a discharge hole 21 for discharging the oil separated in the oil separation chamber 40. The cam shower plate 30 has: a passage formation part 32 forming the oil passage 31; and a baffle part 33 which is integrally formed with the passage formation part 32 and overlaps with the discharge hole 21.SELECTED DRAWING: Figure 2
Patent JP-2021173082-A (JP)
Title: Falsework unit and steel falsework construction method
Inventor: SOEJIMA YUKIYA
IPC: E21D11/40
Filed: 2020-04-27
Abstract: To solve the problem of the conventional technology, that is, to provide a falsework unit that can install a binder in a shorter time and more easily than before while utilizing the functions of the binder by installing the binder as before, and a construction method using the same.SOLUTION: A falsework unit of the present invention is used for the primary lining of a tunnel, and includes a steel falsework and a binder. By inserting a first insertion portion into a sheath pipe of one of two front and rear steel falseworks, and fitting a locking tool of the other steel falsework to a second insertion portion, the two steel falseworks are connected by the binder. At this time, if a shaft body is inserted into the insertion hole with a main body portion facing upward, the shaft body passes through a guide groove and comes into contact with the upper end portion due to the weight of the binder.SELECTED DRAWING: Figure 3
Patent JP-2021175695-A (JP)
Title: Manufacturing apparatus for glass preform
Inventor: TAKAGI MITSURU
IPC: C03B37/018
Filed: 2020-05-01
Abstract: To provide a manufacturing apparatus for glass preform that can suppress a glass preform from varying in outer diameter in a longer direction.SOLUTION: A manufacturing apparatus for glass preform has: a plurality of glass composition burners 22 which are arranged vertically side by side in a reaction vessel 2, and produce glass fine particles; and a gas discharging part 3 which discharges exhaust gas produced in the reaction vessel 2 to a detoxification device outside the reaction vessel 2. The gas discharging part 3 includes: a main exhaust pipe 34 which has one end part connected to the detoxification device; branch exhaust pipes 33a, 33b which each have one end part connected to the other end part of the main exhaust pipe 34; a buffer pipe 32 such that its pipe body extends vertically and has its inside separated into a plurality of spaces 63a, 63b in a vertical direction, and the spaces 63a, 63b are connected to the other end parts of the branch exhaust pipes 33a, 33b, respectively; and an exhaust connection part 31 which is connected to the spaces 63a, 63b of the buffer pipe 32, openings 51a-51f which extend vertically being connected to the reaction vessel 2. The sectional area of a cross section of the buffer pipe 32 is larger than the sectional area of a cross section of the exhaust connection part 31.SELECTED DRAWING: Figure 1
Patent JP-2020128406-A (JP)
Title: Carbonate prodrug and method for using the same
Inventor: MUHAMMAD NAWEED
IPC: A61P43/00
Filed: 2020-05-07
Abstract: To provide a carbonate prodrug and a method for using the same.SOLUTION: There is provided a carbonate prodrug containing a carbonic phosphoric anhydride prodrug moiety bonded to a hydroxyl or carboxyl group of a parent drug moiety. The prodrug may have improved physicochemical properties compared with the parent drug. There are also provided a method of treating a disease or a condition that is responsive to the parent drug using the carbonate prodrug, and a kit and a unit dosage. One embodiment provides a prodrug containing (a) a moiety of the parent drug containing a hydroxyl group or a carboxyl group, or both, and (b) a prodrug moiety of the formula -C(O)O-P(O)(OH)that is bound to the parent drug moiety in the hydroxyl group and/or the carboxyl group providing a carbonate moiety, or a pharmaceutically acceptable salt thereof or solvate thereof.SELECTED DRAWING: Figure 3
Patent JP-2021126642-A (JP)
Title: Wastewater treatment apparatus based on pressurized flotation method
Inventor: SHEN CUIPING
IPC: B01D19/00
Filed: 2020-05-07
Abstract: To provide a wastewater treatment apparatus based on the pressurized flotation method.SOLUTION: A wastewater treatment apparatus based on the pressurized levitation method includes a main body, a first drive space provided in the main body, a compression space provided above the first drive space, a wastewater space provided below the first drive space, an air compression device provided in the compression space, and the air compression device allowing air to be compressed and sent to the wastewater space. In the compression space, there is an air compressor, and the air compressor can compress the air and send it to the wastewater space; the wastewater space is connected to the auxiliary space to the left; there is a foam removal device in the wastewater space, and the foam removal device can send the foam created by the pressurized flotation of wastewater to the auxiliary space; and there is a solid-liquid separation device below the auxiliary space. The foam removal device can send the foam created by the pressurized flotation method of wastewater to the auxiliary space, and the solid-liquid separator can be installed below the auxiliary space to separate the solid impurities and liquid impurities contained in the foam.SELECTED DRAWING: Figure 1
Patent JP-2021177041-A (JP)
Title: Waterproof sheet, resin composition for waterproof sheet, and manufacturing method of waterproof sheet
Inventor: KATO TAKAMICHI
IPC: E04D5/06
Filed: 2020-05-08
Abstract: To provide a waterproof sheet that can maintain its waterproof performance for a long period of time.SOLUTION: A waterproof sheet 10 contains: (A) polyvinyl chloride resin; (B) ethylene, carbon monoxide, and vinyl acetate copolymer; and (C) a plasticizer. The polyvinyl chloride resin (A) is a homopolymer of vinyl chloride.SELECTED DRAWING: Figure 1
Patent JP-2021177687-A (JP)
Title: Power receiving device, power transmitting device, method for controlling these, and program
Inventor: MORITOMO KAZUO
IPC: H02J50/12
Filed: 2020-05-08
Abstract: To provide a technique to prevent a reduction in the accuracy of estimating power loss due to a change in the state of the device.SOLUTION: A power receiving device (101) has: a power receiving unit (203) that receives power transmitted by radio from a power transmitting device (102); a communication unit (206) that transmits, to the power transmitting device, information on the received power received by the power receiving unit; and a control unit (201) that determines whether update of a calibration reference value is necessary which is used for calculating an estimated value of power loss in the power transmitting device, and when determining that update of the calibration reference value is necessary, requests the power transmitting device to update the calibration reference value.SELECTED DRAWING: Figure 4